Roundabouts Database Index

28784 Results

Search by location, intersection, and comments with the Quick Search below. You can search all other attributes by clicking Advanced Search. Sort results by clicking the headers of any column. Click the Intersection name for a details and aerial view. Search results pages can be bookmarked. Results can be exported to KML for viewing in Google Earth.

City, State County Country	Intersection (Lat, Lng)	Type Status	Control Type / Other Control Type	Approaches / Driveways / ICD (m)	Functional Class / LaneType	Year Completed	Comments
Bozeman, MT Gallatin Co. United States	S 11th Ave. / W Graf St. (45.64966, -111.05320)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 36.5760	Other (At-Grade) Single-Lane	2017
Bozeman, MT Gallatin Co. United States	N 15th Ave. / Beall St. / Ruth Thibeault Way (45.68213, -111.05694)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 14.1849	Other (At-Grade) Single-lane w/ Traversable Central Island	2019	https://www.ktvq.com/news/montana-news/roundabout-what-roundabout-some-bozeman-drivers-ignoring-roundabout-near-school ICD estimated from Google Maps linework.
Bozeman, MT Gallatin Co. United States	W Graf St. / S 17th Ave. (45.64943, -111.06043)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 36.5760	Other (At-Grade) Single-Lane	2017
Bozeman, MT Gallatin Co. United States	Catron St. / Max Ave. (45.71218, -111.06908)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 24.3840	Other (At-Grade) Single-lane w/ Traversable Central Island	2021
Bozeman, MT Gallatin Co. United States	Cattail St. / Max Ave. (45.70770, -111.06912)	Roundabout Existing	Unknown Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Unknown	2021
Bozeman, MT Gallatin Co. United States	Catron St. / Blackbird Dr. (45.71193, -111.07903)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 20.8490	Other (At-Grade) Single-Lane	2004	ICD estimated from Google Maps linework.
Marana, AZ Pima Co. United States	W Moore Rd. / N Tortolita Rd. (32.43912, -111.08270)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2022	https://www.maranaaz.gov/news/2022/5/25/traffic-alert-roundabout-construction-at-moore-road-amp-tortolita-road
Bozeman, MT Gallatin Co. United States	W Oak St. / Davis Ln. (45.69299, -111.08300)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 34.2039	Other (At-Grade) Single-Lane	2017	ICD estimated from Google Maps linework.
Bozeman, MT Gallatin Co. United States	Baxter Ln. / Ferguson Ave. (45.70024, -111.09310)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 32.0040	Other (At-Grade) Single-Lane	2003
Bozeman, MT Gallatin Co. United States	Durston Rd. / Ferguson Ave. (45.68569, -111.09355)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 29.2023	Other (At-Grade) Single-Lane	2019	Open to traffic in 2019, not completed until 2020. https://www.youtube.com/watch?v=alzAe8c-fuU ICD estimated from Google Maps linework.
Bozeman, MT Gallatin Co. United States	Cascade St. / Kimball Ave. (45.68162, -111.09510)	Traffic Calming Circle Existing	Unknown Unknown	0 Approaches 0 Driveways 19.1915	Other (At-Grade) Single-Lane	2004	ICD estimated from Google Maps linework.
Bozeman, MT Gallatin Co. United States	Cascade St. / Clifden Dr. (45.68115, -111.09950)	Traffic Calming Circle Existing	Unknown Unknown	0 Approaches 0 Driveways 19.1916	Other (At-Grade) Single-Lane	2004	ICD estimated from Google Maps linework.
Dove Mountain Resort, AZ Pima Co. United States	N Dove Mountain Blvd. / N Secret Springs Dr. (32.46698, -111.10013)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 42.6720	Other (At-Grade) Single-Lane	2002
Bozeman, MT Gallatin Co. United States	W Oak St. / Cottonwood Rd. (45.69298, -111.10367)	Roundabout Existing	All-Way Yield Pedestrian Hybrid Beacon (PHB, HAWK)	4 Approaches 0 Driveways 56.3880	Other (At-Grade) Multilane (2 Lane, 2x1 max)	2020	Right-turn-only lanes on north and south legs, designed for future conversion to through lanes to make the roundabout 2x2.
Bozeman, MT Gallatin Co. United States	Cottonwood Rd. / Stucky Rd. (45.65655, -111.10392)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 33.3914	Other (At-Grade) Single-Lane	2018	ICD estimated from Google Maps linework.
Bozeman, MT Gallatin Co. United States	Laurel Pkwy. / Annie St. (45.68916, -111.11383)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 39.6240	Other (At-Grade) Single-Lane	2003
Bozeman, MT Gallatin Co. United States	Laurel Pkwy. / Glenellen Dr. / Sherwood Way (45.69050, -111.11401)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 38.1000	Other (At-Grade) Single-Lane	2003
Bozeman, MT Gallatin Co. United States	Baxter Ln. / Love Ln. (45.70012, -111.14498)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane	2019	https://www.mdt.mt.gov/pubinvolve/baxterlove/status.shtml
Belgrade, MT Gallatin Co. United States	Airway Blvd. / I-90 WB Ramps (45.76100, -111.16234)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 51.6601	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)	2015	Raindrop shape. ICD estimated from Google Maps linework.
Belgrade, MT Gallatin Co. United States	Airway Blvd. / Gallatin Field Rd. (45.77350, -111.16244)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 39.1529	Other (At-Grade) Single-Lane	2015	Right-turn bypass lane on southeast leg. Year Completed estimated (2013-2019). ICD estimated from Google Maps linework.
Belgrade, MT Gallatin Co. United States	Airway Blvd. / E Northern Pacific Ave. (45.76585, -111.16289)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 56.6545	Other (At-Grade) Multilane (2 Lane, unspecified)	2015	ICD estimated from Google Maps linework.
Belgrade, MT Gallatin Co. United States	Airway Blvd. / I-90 EB Ramps (45.75980, -111.16328)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 42.4955	Freeway Ramps (Grade-Separated) Single-Lane	2015	Raindrop shape. ICD estimated from Google Maps linework.
Marana, AZ Pima Co. United States	Main St. / Civic Center Dr. (32.44841, -111.21150)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 34.2674	Other (At-Grade) Single-Lane	2004	ICD estimated from Google Maps linework.
Marana, AZ Pima Co. United States	N Sandario Rd. / W Twin Peaks Rd. (32.38076, -111.21671)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2022	https://www.maranaaz.gov/news/2022/5/25/traffic-alert-construction-on-a-new-roundabout-located-at-the-twin-peaks-and-sandario-road-intersection
Marana, AZ Pima Co. United States	N Sandario Rd. / W Nichols St. (32.45805, -111.21703)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 35.2715	Other (At-Grade) Single-Lane	2018	Fourth leg incomplete. Future plans are to route Marana Main St to this roundabout. https://realestatedaily-news.com/wp-content/uploads/2017/02/Marana-Main-Street-realignment.png ICD estimated from Google Maps linework.
Wood Buffalo, AB Alberta Canada	Snowbird Way / (air cargo access) (56.64996, -111.23847)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 60.0000	Other (At-Grade) Single-Lane	2013	Entry to Fort McMurray International Airport. Year Completed estimated (2011-2014).
Wood Buffalo, AB Alberta Canada	Range Road 85 (Saline Creek Pkwy.) / Snowbird Way (56.65106, -111.25513)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 40.0000	Other (At-Grade) Single-Lane	2013	Right-turn-only lane on south leg. Year Completed estimated (2011-2014).
Flagstaff, AZ Coconino Co. United States	Resort Blvd. / (parking) / (unknown) (35.16563, -111.27053)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 42.6717	Other (At-Grade) Single-Lane	2013	West leg stubbed. Year Completed estimated (2012-2013).
Payson, AZ Gila Co. United States	E Granite Dells Rd. / S Mud Springs Rd. (34.23932, -111.30819)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 46.4052	Other (At-Grade) Single-Lane	2008	Oval shape. Year Completed estimated (2007-2008). ICD estimated from Google Maps linework.
Great Falls, MT Cascade Co. United States	Division Rd. / Smelter Ave. NW (47.52454, -111.31037)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 37.0990	Other (At-Grade) Single-Lane	2013	ICD estimated from Google Maps linework.
Payson, AZ Gila Co. United States	N Manzanita Dr. / E Park Dr. / E Malibu Dr. (34.24563, -111.31701)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 22.7072	Other (At-Grade) Single-Lane	2015	Painted splitter islands. Year Completed estimated (2014-2015). ICD estimated from Google Maps linework.
Payson, AZ Gila Co. United States	E Malibu Dr. / N Easy St. (34.24465, -111.32021)	Roundabout Existing	All-Way Yield None	3 Approaches 1 Driveways 17.7711	Other (At-Grade) Single-Lane	2008	Year Completed estimated (2007-2009). ICD estimated from Google Maps linework.
Payson, AZ Gila Co. United States	SR 87 / Tyler Pkwy / Home Depot Entrance (34.26614, -111.32200)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 45.4034	Other (At-Grade) Multilane (2 Lane, unspecified)	2005	ICD estimated from Google Maps linework.
Payson, AZ Gila Co. United States	N Beeline Hwy. (AZ 260) / W Airport Rd. / Airline Blvd. (34.25759, -111.32250)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 50.3437	Other (At-Grade) Multilane (2 Lane, unspecified)	2011	Year Completed estimated (2010-2011). ICD estimated from Google Maps linework.
Wood Buffalo, AB Alberta Canada	Denholm Gate / Fontaine Crescent (56.71095, -111.34247)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 30.1541	Other (At-Grade) Single-Lane	2008	ICD estimated from Google Maps linework.
Wood Buffalo, AB Alberta Canada	Denholm Gate / Fontaine Ave. (56.70936, -111.34442)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 37.3664	Other (At-Grade) Single-Lane	2013	Year Completed estimated (2011-2014). ICD estimated from Google Maps linework.
Wood Buffalo, AB Alberta Canada	Saline Creek Dr. / Denholm Gate (56.70831, -111.34576)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 38.6786	Other (At-Grade) Multilane (2 Lane, unspecified)	2013	Year Completed estimated (2011-2014). ICD estimated from Google Maps linework.
Fort McMurray, AB Wood Buffalo Canada	Hwy 63 NB Ramps / King St. (56.70683, -111.35380)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 30.1574	Freeway Ramps (Grade-Separated) Single-Lane	2003	http://www.engineering.ualberta.ca/uofaengineer/article.cfm?article=40221&issue=39463 ICD estimated from Google Maps linework.
Heber City, UT Wasatch Co. United States	Red Ledges Blvd. / E Red Knob Way (40.51742, -111.36928)	Other Existing	Unknown None	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane		No splitter islands.
Cameron, AZ Coconino Co. United States	US 89 / Desert View Dr .(AZ 64) (35.85489, -111.42497)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 48.4003	Other (At-Grade) Multilane (2 Lane, unspecified)	2016	https://www.azdot.gov/mobile/media/news/2016/09/14/adot-completes-us-89-improvements-in-cameron ICD estimated from Google Maps linework.
Midway, UT Wasatch Co. United States	Dutch Fields Pkwy. / Dutch Dr. (40.53290, -111.45500)	Other Existing	Uncontrolled Unknown	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane		No splitter islands.
Midway, UT Wasatch Co. United States	Dutch Fields Pkwy. / Craftsman Way (40.53059, -111.45898)	Other Existing	Uncontrolled None	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane		No splitter islands.
Midway, UT Wasatch Co. United States	N Whitaker Farm Way / E Memorial Hill Dr. (40.51857, -111.45938)	Other Existing	All-Way Yield None	3 Approaches 0 Driveways 32.0040	Other (At-Grade) Single-Lane	2020	No splitter islands on north and south legs.
Midway, UT Wasatch Co. United States	River Rd. / 470 E / E Burgi Ln. (40.52864, -111.46207)	Roundabout Existing	All-Way Yield None	4 Approaches 1 Driveways 36.5760	Other (At-Grade) Single-Lane	2007	Painted splitter islands.
Midway, UT Wasatch Co. United States	River Rd. / E 600 N / E Salazar Spring Rd. (40.52188, -111.46246)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 36.5760	Other (At-Grade) Single-Lane	2020
Midway, UT Wasatch Co. United States	River Rd. / E Memorial Hill Dr. (40.51821, -111.46246)	Roundabout Existing	All-Way Yield None	3 Approaches 1 Driveways 38.1000	Other (At-Grade) Single-Lane	2020	Year Completed estimated (2019-2020).
Midway, UT Wasatch Co. United States	W 970 S / Cascade Pkwy. / W Boulder Point Rd. (40.49625, -111.48265)	Other Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2019	No splitter islands.
Page, AZ Coconino Co. United States	US 89 / Haul Rd. (36.90502, -111.48415)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 62.0765	Other (At-Grade) Single-Lane	2015	date: http://www.northernarizonagazette.com/author/gcd/page/240/ ICD estimated from Google Maps linework.
Midway, UT Wasatch Co. United States	Cascade Pkwy. / Coldwater Way (40.49691, -111.48499)	Other Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane		No splitter islands.
Park City, UT Summit Co. United States	Silver Creek Dr. / Pace Frontage Rd. / Old Hwy 40 (40.71974, -111.48507)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 54.8640	Other (At-Grade) Multilane (2 Lane, unspecified)	2014	Year Completed estimated (2013-2015).
Midway, UT Wasatch Co. United States	W 470 N / (unknown) (40.51952, -111.49016)	Other Existing	Uncontrolled Unknown	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane
Park City, UT Summit Co. United States	Rte 224 (Deer Valley Drive) / Heber Avenue / Marsac Avenue (40.64572, -111.49500)	Roundabout Existing	Unknown Unknown	4 Approaches 0 Driveways 46.2161	Other (At-Grade) Multilane (2 Lane, unspecified)	2000	See: www.Roundaboutsusa.com Information as reported in Salt Lake Tribune article: http://www.sltrib.com/2000/Sep/09142000/utah/22072.htm Previously controlled by two-way stop Functional Class: Arterial ICD estimated from Google Maps linework.
Apache Junction, AZ Pinal Co. United States	N Apache Trl. (AZ-88) / E Superstition Blvd. (33.42220, -111.54159)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 47.8477	Other (At-Grade) Multilane (2 Lane, unspecified)	2018	ICD estimated from Google Maps linework.
Park City, UT Summit Co. United States	Newpark Blvd. / Uintah Way (40.72177, -111.54224)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 29.8705	Other (At-Grade) Single-Lane	2013	Year Completed estimated (2013-2015). ICD estimated from Google Maps linework.
Park City, UT Summit Co. United States	W Ute Blvd. / Uintah Way (40.72449, -111.54245)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 37.1103	Other (At-Grade) Multilane (2 Lane, unspecified)	2012	Year Completed estimated (2011-2013). ICD estimated from Google Maps linework.
San Tan Valley, AZ Pinal Co. United States	E Germann Rd. / N Kenworthy Rd. (33.27809, -111.54604)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 33.5277	Other (At-Grade) Single-Lane	2010
Park City, UT Summit Co. United States	Olympic Pkwy. / N Landmark Dr. (40.72175, -111.54711)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 38.9221	Other (At-Grade) Single-Lane	2009	ICD estimated from Google Maps linework.
Park City, UT Summit Co. United States	N Landmark Dr. / W Ute Blvd. (40.72444, -111.54747)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 35.3000	Other (At-Grade) Multilane (2 Lane, unspecified)	2009	ICD estimated from Google Maps linework.
South Snyderville Basin, UT Summit Co. United States	Canyons Resort Dr. / Frostwood Dr. (40.68753, -111.54847)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 42.6720	Other (At-Grade) Single-Lane	2014	Right-turn add-lane bypass lane on southeast leg. Year Completed estimated (2013-2015).
Park City, UT Summit Co. United States	Frostwood Blvd. / Cooper Ln. (40.68972, -111.55018)	Other Existing	All-Way Yield None	3 Approaches 2 Driveways 0.0000	Other (At-Grade) Single-Lane		Built before 2007, rebuilt between 2007 and 2016 to add truck apron and splitter islands.
Park City, UT Summit Co. United States	Kilby Rd. / Factory Outlet Parking (40.73040, -111.55040)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 34.3918	Other (At-Grade) Multilane (2 Lane, unspecified)	2000	ICD estimated from Google Maps linework.
Park City, UT Summit Co. United States	Powderwood Dr. / Factory Outlet Parking (40.72733, -111.55255)	Other Existing	All-Way Yield None	3 Approaches 0 Driveways 24.4374	Other (At-Grade) Single-Lane	2000	Pedestrian access to central island. ICD estimated from Google Maps linework.
Park City, UT Summit Co. United States	Canyons Resort Dr. / W High Mountain Rd. (40.68398, -111.55347)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 27.4320	Other (At-Grade) Single-Lane	2020	Year Completed estimated (2019-2020).
San Tan Valley, AZ Pinal Co. United States	E Magma Rd. / Indigo Sky Blvd. (33.13344, -111.55394)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 39.6240	Other (At-Grade) Single-Lane	2021
Pinebrook, UT Summit Co. United States	Kilby Rd. / (parking) (40.73918, -111.56018)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 28.9560	Other (At-Grade) Single-Lane	2018	Serves Ecker Hill International Middle School. East leg added with roundaobut.
Pinebrook, UT Summit Co. United States	Kilby Rd. / (parking) (40.74010, -111.56068)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 28.9560	Other (At-Grade) Single-Lane	2018	Serves Ecker Hill International Middle School.
San Tan Valley, AZ Pinal Co. United States	N Golf Club Dr. / Johnson Ranch Blvd. (33.16051, -111.56488)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2021	Year Completed estimated (2020-2021).
Flagstaff, AZ Coconino Co. United States	Dodge Ave. / Railhead Ave. (35.22522, -111.57000)	Roundabout Existing	Unknown Unknown	4 Approaches 0 Driveways 38.0498	Other (At-Grade) Single-Lane	2007	By developer. ICD estimated from Google Maps linework.
Summit Park, UT Summit Co. United States	Gorgoza Pines Rd. / (parking) (40.75044, -111.57153)	Other Existing	All-Way Yield None	4 Approaches 0 Driveways 35.0520	Other (At-Grade) Single-Lane	2003	No splitter islands. Year Completed estimated (2002-2004).
San Tan Valley, AZ Pinal Co. United States	Whitewing Blvd. / W Sterling St. (33.13194, -111.57163)	Other Existing	All-Way Yield None	4 Approaches 0 Driveways 38.1000	Other (At-Grade) Single-Lane	2017	No splitter islands on east and west legs.
Park City, UT Summit Co. United States	Homestead Rd. / Rasmussen Rd. / I-80 WB Ramps (40.75488, -111.57172)	Roundabout Existing	All-Way Yield None	5 Approaches 0 Driveways 83.2338	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)	2019	https://www.deseret.com/utah/2019/11/26/20983915/around-and-around-new-roundabouts-at-i-80-jeremy-ranch-interchange-now-open ICD estimated from Google Maps linework.
Park City, UT Summit Co. United States	Homestead Rd. / Kilby Rd. / I-80 EB Off-ramp (40.75223, -111.57247)	Roundabout Existing	All-Way Yield None	5 Approaches 0 Driveways 88.6656	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)	2019	https://www.deseret.com/utah/2019/11/26/20983915/around-and-around-new-roundabouts-at-i-80-jeremy-ranch-interchange-now-open ICD estimated from Google Maps linework.
Park City, UT Summit Co. United States	Rasmussen Rd. / Jeremy Rd. / Jeremy Ranch Rd. (40.75569, -111.57350)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 25.3317	Other (At-Grade) Single-Lane	2007	This roundabout was reconfigured as part of the Jeremy Ranch Roundabouts project. Formerly it had a driveway to a park-and-ride lot. Jeremy Ranch Rd is a new approach to this intersection and the eastern approach on Rasmussen Dr was closed. https://www.summitcounty.org/1005/Email-Updates ICD estimated from Google Maps linework.
Brighton City, UT Salt Lake Co. United States	Big Cottonwood Canyon Rd. / Brighton Loop (40.60362, -111.58264)	Other Existing	All-Way Yield None	2 Approaches 0 Driveways 27.4317	Other (At-Grade) Single-Lane	2018	Entry roundabout to ski resort at end of County Road. No splitter islands on two-way leg or geometric deflection of two entries. Road splits into one-way couplet; circle facilitates U-turns.
Springville, UT Utah Co. United States	400 S / 1300 E / Canyon Dr. (40.16084, -111.58691)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 42.8993	Other (At-Grade) Single-Lane	2014	Little deflection for northbound through movement. Yield-controlled right-turn bypass lane on south leg. ICD estimated from Google Maps linework.
Spanish Fork, UT Utah Co. United States	S 2550 E St. / E 920 S St. / High Ridge Dr. (40.09766, -111.61209)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 42.0255	Other (At-Grade) Multilane (2 Lane, unspecified)	2017	https://www.facebook.com/SpanishForkCity/posts/a-new-roundabout-is-about-to-be-constructed-on-2550-e-between-canyon-rd-and-us-6/10154689907980318/. Year Completed estimated (2017-2018). ICD estimated from Google Maps linework.
Spring Creek, UT Utah Co. United States	S Mountain Vista Pkwy. / S Sierra Vista Way. (40.19060, -111.61533)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 54.8640	Other (At-Grade) Single-Lane	2005	Year Completed estimated (2004-2005). North leg added 2011-2013.
Spanish Fork, UT Utah Co. United States	E 130 N / N 2000 E / N 2040 E (40.11168, -111.62006)	Other Existing	Unknown Unknown	4 Approaches 0 Driveways 25.9080	Other (At-Grade) Single-Lane		No splitter islands.
Provo, UT Utah Co. United States	E 900 S / Nevada Ave. / S 1350 E / S 1400 E (40.22206, -111.63470)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 26.4459	Other (At-Grade) Single-Lane	2005	ICD estimated from Google Maps linework.
Spanish Fork, UT Utah Co. United States	1120 E / 200 N (40.11232, -111.63496)	Other Existing	Uncontrolled None	3 Approaches 0 Driveways 56.6309	Other (At-Grade) Single-Lane	2012	No splitter islands. ICD estimated from Google Maps linework.
Spanish Fork, UT Utah Co. United States	SR 147 (E 400 N) / SR 51 (40.11519, -111.63513)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2020
Provo, UT Utah Co. United States	S 1350 E / 300 S (40.22981, -111.63524)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 30.0901	Other (At-Grade) Single-Lane	2012	ICD estimated from Google Maps linework.
Flagstaff, AZ Coconino Co. United States	Pine Cliff Dr. / Gemini Dr. (35.20808, -111.63541)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 36.5760	Other (At-Grade) Single-Lane	2008	By developer.
Provo, UT Utah Co. United States	300 North / Seven Peaks Blvd. (40.23737, -111.63750)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 33.7337	Other (At-Grade) Multilane (2 Lane, unspecified)	1997	ICD estimated from Google Maps linework.
Flagstaff, AZ Coconino Co. United States	N Switzer Canyon Dr. / N Turquoise Dr. (35.20142, -111.63751)	Roundabout Existing	All-Way Yield None	3 Approaches 1 Driveways 33.5280	Other (At-Grade) Single-Lane	2019	Yield-controlled right-turn bypass lane on south leg. No splitter island on west leg (N Canyon Terrace Dr.).
Spanish Fork, UT Utah Co. United States	E 400 N (S State Rd.) / N 800 E (40.11491, -111.64065)	Roundabout Existing	All-Way Yield Rectangular Rapid Flashing Beacon (RRFB)	4 Approaches 0 Driveways 23.7475	Other (At-Grade) Single-Lane	2019	ICD estimated from Google Maps linework.
Provo, UT Utah Co. United States	E Center St. / N 7 Peaks Blvd. (40.23369, -111.64067)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 28.2649	Other (At-Grade) Single-Lane	2012	Year Completed estimated (2011-2013). ICD estimated from Google Maps linework.
Springville, UT Utah Co. United States	900 S / S 1750 W (40.15390, -111.64240)	Other Existing	All-Way Yield None	4 Approaches 0 Driveways 24.6468	Other (At-Grade) Single-Lane	2003	Partially painted splitter islands. ICD estimated from Google Maps linework.
Pine Knoll, AZ Coconino Co. United States	E Paseo del Rio / S Calle Reposa (35.18598, -111.64522)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 18.2880	Other (At-Grade) Single-lane w/ Traversable Central Island	2017
Provo, UT Utah Co. United States	E Campus Dr. / E 1100 N (40.24846, -111.64583)	Other Existing	All-Way Yield None	2 Approaches 0 Driveways 42.6720	Other (At-Grade) Single-Lane	2014	Parking along circulatory roadway. Year Completed estimated (2013-2015).
Pine Knoll, AZ Coconino Co. United States	E Paseo del Rio / S Brannen Cir. (35.18588, -111.64642)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 21.3360	Other (At-Grade) Single-lane w/ Traversable Central Island	2017	Year Completed estimated (2016-2017).
Provo, UT Utah Co. United States	700 East / Center St. (40.23369, -111.64660)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 31.9119	Other (At-Grade) Single-Lane	1996	ICD estimated from Google Maps linework.
Mesa, AZ Maricopa Co. United States	Brown Rd. / Loop 202 NB Ramps (33.43694, -111.64850)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 47.8396	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)	2007	ICD estimated from Google Maps linework.
Provoo, UT Utah Co. United States	N Campus Dr. / (parking) (40.25235, -111.64932)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 35.0520	Other (At-Grade) Single-Lane	2015	On college campus of Brigham Young University.
Mesa, AZ Maricopa Co. United States	Brown Rd. / Loop 202 SB Ramps (33.43689, -111.65280)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 42.8563	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)	2007	ICD estimated from Google Maps linework.
Woodland Hills, UT Utah Co. United States	S Woodland Hills Dr. / W 11200 S (40.02750, -111.65378)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 32.0040	Other (At-Grade) Single-Lane	2004	Year Completed estimated (2003-2004).
Provo, UT Utah Co. United States	5000 North / Edgewood Dr. (40.30066, -111.65750)	Roundabout Existing	Unknown Unknown	4 Approaches 0 Driveways 19.1282	Other (At-Grade) Single-Lane	1999	ICD estimated from Google Maps linework.
Provo, UT Utah Co. United States	Veterans Pkwy. / Edgewood Dr. (Shops at Riverwoods) (40.29899, -111.65785)	Other Removed	All-Way Yield None	3 Approaches 0 Driveways 32.0040	Other (At-Grade) Single-Lane	2010	Initially constructed 1999. Converted 2010-2011 into pedestrian use only as part of outdoor mall.
Provo, UT Utah Co. United States	200 West (Freedom Blvd.) / 920 South (40.22177, -111.66230)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 25.5341	Other (At-Grade) Single-Lane	2000	ICD estimated from Google Maps linework.
Provo, UT Utah Co. United States	3700 North / 300 West (40.28282, -111.66310)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 28.2444	Other (At-Grade) Single-Lane	2001	ICD estimated from Google Maps linework.